2080781395

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2\times {\mathrm{79}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 3314718720

約数和(自身を除く): 1233937325

約数列:

[1, 5, 7, 11, 35, 37, 43, 55, 77, 79, 185, 215, 259, 301, 385, 395, 407, 473, 553, 869, 1295, 1505, 1591, 1849, 2035, 2365, 2765, 2849, 2923, 3311, 3397, 4345, 6083, 7955, 9245, 11137, 12943, 14245, 14615, 16555, 16985, 17501, 20339, 20461, 23779, 30415, 32153, 37367, 55685, 64715, 68413, 87505, 101695, 102305, 118895, 122507, 125689, 142373, 146071, 160765, 186835, 225071, 261569, 342065, 478891, 612535, 628445, 711865, 730355, 752543, 879823, 1022497, 1125355, 1307845, 1382579, 1606781, 2394455, 3762715, 4399115, 5112485, 5267801, 5404627, 6912895, 8033905, 9678053, 11247467, 26339005, 27023135, 37832389, 48390265, 56237335, 59450897, 189161945, 297254485, 416156279, 2080781395]

約数ペア:

[(1, 2080781395), (5, 416156279), (7, 297254485), (11, 189161945), (35, 59450897), (37, 56237335), (43, 48390265), (55, 37832389), (77, 27023135), (79, 26339005), (185, 11247467), (215, 9678053), (259, 8033905), (301, 6912895), (385, 5404627), (395, 5267801), (407, 5112485), (473, 4399115), (553, 3762715), (869, 2394455), (1295, 1606781), (1505, 1382579), (1591, 1307845), (1849, 1125355), (2035, 1022497), (2365, 879823), (2765, 752543), (2849, 730355), (2923, 711865), (3311, 628445), (3397, 612535), (4345, 478891), (6083, 342065), (7955, 261569), (9245, 225071), (11137, 186835), (12943, 160765), (14245, 146071), (14615, 142373), (16555, 125689), (16985, 122507), (17501, 118895), (20339, 102305), (20461, 101695), (23779, 87505), (30415, 68413), (32153, 64715), (37367, 55685)]